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Finding the Fourth Proportional to 248.16, 341.37 and 238.17

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Solution

The fourth proportional to 248.16, 341.37 and 238.17 is: 327.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248.16 : 341.37 = 238.17 : x
  2. Step 2: Convert to fraction form
    248.16/341.37 = 238.17/x
  3. Step 3: Cross multiply
    248.16x = 341.37 × 238.17
  4. Step 4: Simplify right side
    248.16x = 81,304.09
  5. Step 5: Solve for x
    x = 81,304.09/248.16
  6. Step 6: Final answer
    x = 327.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.